art-dag/test
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initial commit: video effects processing system

Browse Source 
Add S-expression based video effects pipeline with modular effect
definitions, constructs, and recipe files.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
gilesb
2026-01-19 12:34:45 +00:00
commit 406cc7c0c7
171 changed files with 13406 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
effects/color-adjust.sexp Normal file
View File

@@ -0,0 +1,21 @@
;; Color adjust effect - combined brightness and contrast
;; Usage: python3 plan.py effects/color-adjust.sexp -p brightness=20 -p contrast=1.2 | python3 execute.py - -d . -o output.mp4
;;
;; Parameters:
;; brightness: brightness adjustment (-255 to 255, default: 20)
;; contrast: contrast multiplier (0.0 to 3.0, default: 1.2)
(recipe "color-adjust"
:version "1.0"
:encoding (:codec "libx264" :crf 20 :preset "medium" :audio-codec "aac" :fps 30)
(effect color-adjust :path "sexp_effects/effects/color-adjust.sexp")
;; Default parameters (overridden by -p brightness=N -p contrast=N)
(def brightness 20)
(def contrast 1.2)
(def video (source :path "monday.webm"))
(def clip (-> video (segment :start 0 :duration 10)))
(def result (-> clip (effect color-adjust :brightness brightness :contrast contrast)))
result)